Taira clan; Heike family
Refers to the Taira clan, a major samurai family in Japanese history. Often used in historical contexts, especially regarding the Genpei War. 平家 (へいけ) is a closely related term often used interchangeably, but 平氏 can emphasize the broader clan lineage.
See also: 平家 (へいけ)
The Taira clan fought against the Minamoto clan.